2.200 Å
X-ray
2002-04-07
| Name: | Streptavidin |
|---|---|
| ID: | SAV_STRAV |
| AC: | P22629 |
| Organism: | Streptomyces avidinii |
| Reign: | Bacteria |
| TaxID: | 1895 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 12.912 |
|---|---|
| Number of residues: | 26 |
| Including | |
| Standard Amino Acids: | 25 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.636 | 276.750 |
| % Hydrophobic | % Polar |
|---|---|
| 58.54 | 41.46 |
| According to VolSite | |

| HET Code: | SHM |
|---|---|
| Formula: | C11H17N2O3S |
| Molecular weight: | 257.329 g/mol |
| DrugBank ID: | DB03112 |
| Buried Surface Area: | 71.84 % |
| Polar Surface area: | 106.55 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 4 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 0 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| -6.92012 | 32.7225 | 12.4064 |
Image generated by PoseView
Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand
| Ligand | Protein | Interaction | |||
|---|---|---|---|---|---|
| Atom | Atom | Residue | Distance (Å) | Angle (°) | Type |
| O17 | ND2 | ASN- 23 | 2.97 | 150.8 | H-Bond (Protein Donor) |
| O17 | OG | SER- 27 | 2.69 | 155.89 | H-Bond (Protein Donor) |
| O17 | OH | TYR- 43 | 2.75 | 171.86 | H-Bond (Protein Donor) |
| N3 | OG | SER- 45 | 3.22 | 152.74 | H-Bond (Ligand Donor) |
| C9 | CB | SER- 45 | 4.15 | 0 | Hydrophobic |
| O16 | N | ASN- 49 | 2.9 | 161.59 | H-Bond (Protein Donor) |
| C12 | CB | ALA- 50 | 4.21 | 0 | Hydrophobic |
| C12 | CD2 | TRP- 79 | 3.83 | 0 | Hydrophobic |
| C10 | CE2 | TRP- 79 | 3.68 | 0 | Hydrophobic |
| S7 | CZ2 | TRP- 79 | 3.69 | 0 | Hydrophobic |
| C13 | CB | ALA- 86 | 4.2 | 0 | Hydrophobic |
| S7 | CG2 | THR- 90 | 3.89 | 0 | Hydrophobic |
| S7 | CZ2 | TRP- 92 | 3.78 | 0 | Hydrophobic |
| C8 | CE2 | TRP- 108 | 3.37 | 0 | Hydrophobic |
| C6 | CD2 | LEU- 110 | 4.45 | 0 | Hydrophobic |
| C10 | CD2 | LEU- 110 | 4.25 | 0 | Hydrophobic |
| C13 | CD1 | LEU- 110 | 4.25 | 0 | Hydrophobic |
| N5 | OD2 | ASP- 128 | 2.83 | 164.65 | H-Bond (Ligand Donor) |